An image projection lighting device is disclosed having a processor and communications port. The communications port may receive a contrast command. The processor may modify contrast of image data in response to the contrast command to form contrast modified image data. The communications port may receive a black level command. The processor may modify image data in response to the black level command to form modified image data having a modified black level. Modified black level image data may be created by adding or subtracting an offset to the image data.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An apparatus comprising an image projection lighting device comprising: a base housing in which is located an electrical component; a yoke; a communications port; a processor; a memory; a lamp housing: wherein the lamp housing can be remotely positioned in relation to the base; wherein the following is located within the lamp housing: a lamp, and a first light valve; wherein the communications port receives a black level command specifying an offset; wherein the processor in response to the black level command retrieves first image data from the memory and applies the offset to the first image data to form second image data; wherein the first image data specifies a first black level of a first image to be projected by the image projection lighting device; wherein the second image data specifies a second black level of a second image to be projected by the image projection lighting device; wherein the first image has a first image coloration and the second image has a second image coloration that is substantially the same as the first image coloration.
2. The apparatus of claim 1 further comprising an image control and the processor is a component of the image control.
3. The apparatus of claim 2 wherein the offset applied to the first image data causes clipping of darker components of the first image.
4. The apparatus of claim 3 wherein the clipping is greater than ten percent.
5. An apparatus comprising an image projection lighting device comprising: a base housing in which is located an electrical component; a yoke; a communications port; a processor; an image control; a memory containing first image data which specifies a first black level and a first image coloration of a first image to be projected by the image projection lighting device; a lamp housing; wherein the lamp housing can be remotely positioned in relation to the base; wherein the following is located within the lamp housing: a lamp, and a first light valve: wherein the communications port receives a black level command; wherein the black level command causes processing of the first image data to create second image data by applying an offset to the first image data; wherein the second image data specifies a second black level and a second image coloration of a second image to be projected by the image projection lighting device; and wherein the second image coloration is substantially the same as the first image coloration.
6. The apparatus of claim 5 wherein the offset is applied by the image control.
7. The apparatus of claim 5 wherein the offset is applied by the processor.
8. The apparatus of claim 5 wherein the offset applied to the first image data causes clipping of darker components of the first image.
9. The apparatus of claim 8 wherein the clipping is greater than ten percent.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
March 1, 2004
June 6, 2006
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